摘要
榆神高速神木一号隧道风积沙地层颗粒单一,级配不良,结构松散,施工难度极大,通过对不同超前支护方式加固效果的分析,简要阐述了水平旋喷桩在不良地质地层加固中的优势和特点,并详细介绍了其主要施工工艺和关键技术要点。
The single particle,bad gradation,loose structure of aeolian sand formation lead to the difficulty of construction in No.1 Shenmu Tunnel of Yu-Shen Expressway.In this paper,the advantages and characteristics of horizontal rotary jet grouting piles applying in bad ground consolidation are illustrated briefly by comparative analysis of reinforce effect through different advance strengthening methods.The construction processes and key technology are elaborated in details.
出处
《公路》
北大核心
2011年第9期246-250,共5页
Highway
关键词
风积沙地层
水平旋喷桩
超前支护
浅埋暗挖
aeolian sand formation
horizontal rotary jet grouting piles
advance pre-support
shallow tunnel construction
